(y+7)*3=42

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Solution for (y+7)*3=42 equation:


Simplifying
(y + 7) * 3 = 42

Reorder the terms:
(7 + y) * 3 = 42

Reorder the terms for easier multiplication:
3(7 + y) = 42
(7 * 3 + y * 3) = 42
(21 + 3y) = 42

Solving
21 + 3y = 42

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-21' to each side of the equation.
21 + -21 + 3y = 42 + -21

Combine like terms: 21 + -21 = 0
0 + 3y = 42 + -21
3y = 42 + -21

Combine like terms: 42 + -21 = 21
3y = 21

Divide each side by '3'.
y = 7

Simplifying
y = 7

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